Simultaneous Nadir Overpasses (SNOs) Predictions
Prediction of SNOs between NOAA-21 and LANDSAT-9 Satellite Orbit:
Table of predicted SNOs for the next 14.0 days since TLE Epoch: 1/22/2025
| Index | Date (NOAA-21) | Time (NOAA-21) | Lat,Lon (NOAA-21) | SZA (NOAA-21 ) | Date (LANDSAT-9) | Time (LANDSAT-9) | Lat,Lon (LANDSAT-9) | SZA (LANDSAT-9 ) | Distance(km) | Time Diff (sec) |
| 1 | 01/22/2025 | 06:45:32 | -70.17,-105.02 | 90.22 | 01/22/2025 | 06:46:14 | -70.16,-105.00 | 90.23 | 1.29 | 42 |
| 2 | 01/22/2025 | 07:36:16 | 70.05, 62.48 | 89.65 | 01/22/2025 | 07:35:41 | 70.06, 62.49 | 89.67 | 1.69 | 35 |
| 3 | 01/24/2025 | 22:11:53 | 71.06,-157.97 | 90.10 | 01/24/2025 | 22:12:59 | 70.97,-155.55 | 89.91 | 88.10 | 66 |
| 4 | 01/24/2025 | 23:02:19 | -70.15, 10.81 | 90.88 | 01/24/2025 | 23:02:42 | -70.15, 10.85 | 90.89 | 1.49 | 23 |
| 5 | 01/24/2025 | 23:53:03 | 70.02, 178.32 | 88.99 | 01/24/2025 | 23:52:09 | 70.04, 178.35 | 89.01 | 2.20 | 54 |
| 6 | 01/27/2025 | 14:28:27 | 70.37, -41.04 | 88.69 | 01/27/2025 | 14:29:38 | 70.29, -40.68 | 88.59 | 15.84 | 71 |
| 7 | 01/27/2025 | 15:19:05 | -70.09, 126.71 | 91.62 | 01/27/2025 | 15:19:10 | -70.07, 126.64 | 91.63 | 3.23 | 5 |
| 8 | 01/27/2025 | 16:09:49 | 69.96, -65.79 | 88.25 | 01/27/2025 | 16:08:37 | 69.96, -65.87 | 88.26 | 3.20 | 72 |
| 9 | 01/30/2025 | 06:45:09 | 70.16, 75.08 | 87.76 | 01/30/2025 | 06:46:05 | 70.16, 75.02 | 87.75 | 2.16 | 56 |
| 10 | 01/30/2025 | 07:35:51 | -70.09,-117.50 | 92.33 | 01/30/2025 | 07:35:34 | -70.11,-117.42 | 92.31 | 3.35 | 17 |
| 11 | 01/30/2025 | 08:26:21 | 69.22, 51.08 | 86.76 | 01/30/2025 | 08:25:14 | 69.27, 49.09 | 86.90 | 78.84 | 67 |
| 12 | 02/01/2025 | 23:01:55 | 70.13,-169.07 | 86.98 | 02/01/2025 | 23:02:30 | 70.14,-169.11 | 86.98 | 1.67 | 35 |
| 13 | 02/01/2025 | 23:52:37 | -70.06, -1.65 | 93.11 | 02/01/2025 | 23:52:00 | -70.03, -1.63 | 93.14 | 3.33 | 37 |
| 14 | 02/04/2025 | 14:28:09 | -70.87, 138.25 | 93.02 | 02/04/2025 | 14:29:17 | -70.78, 140.09 | 93.20 | 68.11 | 68 |
| 15 | 02/04/2025 | 15:18:41 | 70.12, -53.25 | 86.17 | 02/04/2025 | 15:18:54 | 70.12, -53.24 | 86.17 | 0.24 | 13 |
| 16 | 02/04/2025 | 16:09:22 | -69.99, 114.26 | 93.97 | 02/04/2025 | 16:08:24 | -70.01, 114.24 | 93.94 | 2.10 | 58 |
Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 1/22/2025
Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 01/22/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and LANDSAT-9